CN103885088B - For the method for operating hand-held screening installation and hand-held screening installation - Google Patents
For the method for operating hand-held screening installation and hand-held screening installation Download PDFInfo
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- CN103885088B CN103885088B CN201310625832.8A CN201310625832A CN103885088B CN 103885088 B CN103885088 B CN 103885088B CN 201310625832 A CN201310625832 A CN 201310625832A CN 103885088 B CN103885088 B CN 103885088B
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- 238000009434 installation Methods 0.000 title claims abstract description 30
- 238000012216 screening Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000008859 change Effects 0.000 description 5
- 230000005670 electromagnetic radiation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 210000003484 anatomy Anatomy 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005865 ionizing radiation Effects 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/86—Combinations of radar systems with non-radar systems, e.g. sonar, direction finder
- G01S13/867—Combination of radar systems with cameras
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/887—Radar or analogous systems specially adapted for specific applications for detection of concealed objects, e.g. contraband or weapons
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The present invention relates to for the method for operating hand-held screening installation and hand-held screening installation.The method for operating hand-held screening installation is provided, including：Shoot the first image；Determine the area-of-interest in the first image；And scan image is produced by the monostatic radar scanning of area-of-interest.Hand-held screening installation accordingly is also provided.
Description
Technical field
This disclosure relates to for the method for operating hand-held screening installation and hand-held screening installation.
Background technology
The description of " background technology " presented herein is for the overall background that the disclosure is presented.With regard to the background parts
This meaning of the various aspects of the description as prior art qualification is otherwise not yet obtained during described and submission
For in justice, the work of the inventor currently signed, which is neither expressed, not to be recognized impliedly for relative to the existing skill of the present invention yet
Art.
Various conventional systems can be used for obtaining image through observable opaque material.For example, x-ray system by with
To obtain by observable opaque material to hide macroscopic object（For example, the thing in anatomical structure or luggage case
Body）Image.However, x-ray system has many shortcomings.For example, this system can be costly and huge, and
And using the ionizing radiation that may the mankind be caused with health hazard.In addition, x-ray system is generally detected through target sample
The wave beam transmitted, it is therefore desirable to close to the both sides of target.And ultrasonic image-forming system needs are emerging in transducer and " hiding " sense
Continuous, the transfer voice path of high quality between interesting object be present.However, under many circumstances, this transfer voice path
It is probably disabled.
Recently, millimeter wave imaging system has been developed for security sweep application.Millimeter wave is in monostatic radar
Detection object is particularly useful in system, i.e. is reflected by launching the electromagnetic wave in the range of millimeter wavelength and detecting
Or the electromagnetic wave that is scattered.
It is necessary the usability of further capture apparatus of the improvement based on millimeter wave imaging system.
The content of the invention
A kind of method for operating hand-held screening installation is provided, this method includes：Shoot the first image；It is determined that
Area-of-interest in one image；And scan image is produced by the monostatic radar scanning of area-of-interest.
Further it is provided that a kind of hand-held screening installation includes：Monostatic radar scanning element；It is used to determine first with processor
Area-of-interest in image and monostatic radar scanning element is controlled to produce the scanning of the monostatic radar of area-of-interest.
Aforementioned paragraphs are provided for general introduction, it is no intended to limit the scope of the claims below.By reference to
Described embodiment and additional advantage are better understood with below in conjunction with the detailed description of accompanying drawing.The element of accompanying drawing is each other
It is not necessarily to scale.
Brief description of the drawings
By referring to the detailed description done below in conjunction with accompanying drawing, the present invention is more completely evaluated and its many subsidiary
It will be easy to achieve and becomes better understood by for advantage, in accompanying drawing：
Fig. 1 schematically shows the method and step according to embodiment of the present invention.
Fig. 2 is schematically shown by the first image captured by imaging sensor.
Fig. 3 is schematically shown identifies area-of-interest according to embodiment of the present invention in the first image.
Fig. 4 is schematically shown to be clapped according to being scanned in the monostatic radar by area-of-interest for embodiment of the present invention
Take the photograph the second image image shown afterwards.
Fig. 5 is schematically shown identifies area-of-interest according to another embodiment of the present invention in the first image.
Fig. 6 is schematically shown to be clapped according to being scanned in the monostatic radar by area-of-interest for embodiment of the present invention
Take the photograph the second image image shown afterwards.
Fig. 7 schematically shows the proposal that can change area-of-interest according to the user of another embodiment of the present invention
The display image of first image.
Fig. 8 schematically shows the perspective view of the hand-held screening installation according to embodiment of the present invention.
Fig. 9 schematically shows the block diagram of the hand-held screening installation according to embodiment of the present invention.
Embodiment
With reference now to accompanying drawing, wherein, in several diagrams of whole, similar reference number represents identical or corresponding portion
Point, the step of Fig. 1 describes the method for operating hand-held screening installation.
Term " hand-held " used in whole description is construed as description can be by one or two hand-held bands
（That is, it is moveable）With the equipment of operation, and the equipment preferably have no more than 3kg weight." hand-held " equipment
Should approx have and use the physical dimension as one or the object of two hand normal operatings and/or carrying with people（Highly,
Width, length）With weight.Example for such object is book, smart mobile phone, mobile phone, electronic reader, flat board electricity
Brain, notebook computer, camera, video camera, binoculars etc..It will be appreciated, however, that equipment should be suitable for hand in itself
Hold, but fixed when contemplating the equipment in use, the equipment is installed on tripod or with other in specific application
Mode is fixed on support member.
In the step s 100, the first image is shot.The image can sense by photographic camera, by passive millimeter wave
Device, pass through active millimeter wave sensor（That is, radar camera）Either by the way that the two dimension or 3-D view of object can be provided
Any other suitable sensor shoot.
The object can be any object that should be searched out, for example, harmful or dangerous equipment, as such as similar
The weapon of pistol, rifle, knife etc., or the other equipment with character shape, for example, the bottle equipped with liquid.Certainly, this method
It is equally applicable to the other equipment that search can be hidden.Object may include people, suitcase or the box to wear clothes
Or it can be used in hiding any other object of hereinbefore described equipment.It should be appreciated, however, that safety reasons are in, can
To search for equipment（That is, weapon, dangerous material）, equally can also for other reasons and should identification equipment, for example, the group of wedding feast
The person of knitting searches for fluid bottle（' unwanted article ' in this scene）, because he wants to forbid bringing into such bottle
In wedding feast, because he wants the product of sale himself.
Generally, the first image of shooting not only includes the object that should be searched for for concealing device, but also including in addition
Background or foreground information, for example, around other box or suitcase, the people that should be searched for hidden objectses
Other people；Automobile, building around the object that should be searched etc..
In step s 102, the area-of-interest in the first image is determined by user or software algorithm.Region of interest
Domain is the region that should be more carefully checked in the first image.
For example, the first image can be similar with the first image 200 schematically described in fig. 2.First image 200 can be with
It is shown on the display of hand-held screening installation, or can enters in the inside for the processor for being suitable for handling the first image 200
Row processing.Generally, the first image 200 can be formed by the picture element matrix with brightness value, and alternatively, by with for
The picture element matrix of the chromatic value of each pixel in picture element matrix is formed.
In first image 200 as described in Figure 2, people 210 and suitcase 220 are shown.In order to reduce complexity and
Other background information is not shown, it may be evident, however, that such as building or street around such as people 210 and suitcase 220
What the other background information of environment was normally present.
For example, as described in figure 3, the suitcase 220 in the first image 200 is confirmed as area-of-interest.Can be with
Inputted by the user for holding screening installation to perform determination, or image procossing can be passed through（For example, pass through identification the
Character shape in one image 200 and by this feature shape compared with the template stored in database）Automatically to hold
The row determination.Furthermore, it is possible to by assessing by radiancy（radiometric）Passive camera, infrared camera or by low
Resolution ratio or coarse monostatic radar scanning caused by the first image, and identify to be further analyzed/scan it is interested
Region, to identify area-of-interest, and can be in the second follow-up scanning with higher image quality（For example, higher resolution
Rate）Carry out the further analysis/scanning.
In step S104, the second image is produced by scanning the monostatic radar image of area-of-interest.By expanding
Launch in the range of big millimeter wavelength and receive reflected/electromagnetic radiation that is scattered forms active radar image.Millimeter
The frequency of wave-length coverage radiation is considered as within 10GHz to 500GHz.
The example of the second image 400 is described in Fig. 4.Second image 400 can be shown to be examined by monostatic radar scanning
The hidden objectses measured；Rifle 420 has been illustratively described herein.When rifle 420 is with the naked eye known by the user of hand-held screening installation
When not going out or being automatically identified for example, by template of the template matches in database, siren can trigger.
Because suitcase 220 is identified as area-of-interest in figure 3, therefore the second image 400 only includes suitcase 220.
The small region of some near suitcase 220 can certainly be included in the second image 400.
Important region is gathered in by the method proposed can scan monostatic radar, and therefore, in order to find
Hiding object, the user for holding screening installation can easily focusing on him on key area.Other
Effect can be the transmitting for reducing radar signal to save and reduce influence of the radar signal of transmitting to environment.In addition, because
For with high resolution scanning and the Zone Full as described in the first image 200 need not be shown, therefore can improve with height
Resolution ratio produces the speed of monostatic radar image.
As described in Fig. 5 and Fig. 6, it is of course possible to by the people 210 in the first image 200 or position（Here, people
210 trunk 510）It is defined to area-of-interest.This second other image for scanning the monostatic radar for producing trunk 510
600.The rifle 420 hidden by people 210 can be identified（For example, below his clothes）.
According to embodiment as described in Figure 7, the proposal to area-of-interest can be automatically determined（Here, people
210 trunk 510）.However, area-of-interest can be changed into suitcase 220 by user from body 510.For example, it can lead to
Moving window over the display is crossed, by being moved on touch-screen display using finger, by light on touch-screen display
Selected area-of-interest, or any other possible measure are struck to mark and/or change shown information, so as to come
Perform this change.
User determines to start to the scanning of the Zone Full described in the first image 200 to replace only to proposing automatically
It is also feasible that smaller area-of-interest, which is scanned,.
Fig. 8 describes perspective view and describes the schematic block diagram of hand-held screening installation 800 in fig.9.
Hand-held screening installation 800 includes active radar scanning unit 902, and the monostatic radar scanning element, which is used to launch, to expand
The reflecting electromagnetic radiation of electromagnetic radiation and reception in the range of the millimeter wavelength of expansion in the range of big millimeter wavelength.Can be with
Electromagnetic radiation or radar signal are launched with specific beam pattern with cover/illuminate scene（810）.Millimeter wavelength scope spoke
The frequency penetrated is within 10GHz to 500GHz.
Processor 910 is included in security scanner, processor control monostatic radar scanning element 902.It is optional
Ground is selected, is provided with another camera 920 for shooting the first image 200.Another camera 920 can be photo-optics
Machine, IR（Infrared ray）Camera, thermal camera, passive radar（Radiancy camera）Or for shooting the first image 200
Any other suitable camera.Produced by the low resolution scanning of monostatic radar scanning element 902 or coarse scan
First image 200, and then by high-resolution monostatic radar scan produce area-of-interest the second image 400 and can
Capable.
Hand-held screening installation 800 can further comprise the display for showing the first image 200 and/or the second image 400
830。
There is provided handle 850, allows the user to be held with one to stop and holds screening installation 800 and can hold very much
Change places and operate it.
Input mechanism 930 can be set, with allow user directly selected on display 830 region interested or
By the area-of-interest for changing the pre-selection described in Fig. 7.Input mechanism may include mouse, touch-screen, keyboard, tracking ball or
Any other known input mechanism of person.
In addition, hand-held screening installation may include database or memory cell 940.Database 940 can be stored for automatic
The template of ground identification area-of-interest and/or template for identifying hidden objectses is stored, automatically to trigger alarm.
Obviously, can there are the deformation and change of many according to the above-mentioned teaching disclosure.It will thus be appreciated that in appended power
In the range of profit requires, in addition to such as explicitly described herein, the present invention can also be otherwise put into practice.
Claims (14)
1. a kind of method for operating hand-held screening installation, including：
Shoot the first image；
Determine the area-of-interest in described first image；And
Scan image is produced by the monostatic radar scanning of the area-of-interest to be examined by monostatic radar scanning to identify
The hidden objectses measured,
Wherein, the hidden objectses are used in database identify the templates of the hidden objectses and identified by template matches
Go out, so as to trigger siren automatically, wherein, the database purchase is used for the template for identifying the hidden objectses.
2. according to the method for claim 1, wherein, described first image is shot by monostatic radar camera.
3. according to the method for claim 1, wherein, described first image is shot by photographic camera.
4. according to the method for claim 1, wherein, described first image is shot by radiancy camera.
5. method according to any one of claim 1 to 4, wherein, described first image is taken as coarse scan.
6. method according to any one of claim 1 to 4, wherein, the database is also stored for automatically identifying
The template of area-of-interest, search for and be stored in wherein the step of determining the area-of-interest is included in described first image
The region for being used to automatically identify the template matches of area-of-interest in the database.
7. method according to any one of claim 1 to 4, wherein it is determined that the step of area-of-interest is included really
Surely there is the region of high radiancy or monostatic radar signal.
8. method according to any one of claim 1 to 4, wherein, the scan image is produced with high resolution model.
9. method according to any one of claim 1 to 4, further comprises：
Show described first image and the area-of-interest in an overlapping manner over the display；
Window on the display is moved to the second area-of-interest；
Produce the scan image of second area-of-interest.
10. a kind of hand-held screening installation, including：
Monostatic radar scanning element；And
Processor, for determining the area-of-interest in the first image and controlling the monostatic radar scanning element to produce
The monostatic radar for stating area-of-interest is scanned to identify by the detected hidden objectses of monostatic radar scanning,
Memory cell, the memory cell store the template for identifying the hidden objectses, wherein, the hidden objectses pass through
Template of the template matches in the memory cell and be identified, so as to trigger siren automatically.
11. hand-held screening installation according to claim 10, further comprises：
Camera, for shooting described first image.
12. hand-held screening installation according to claim 10, wherein, the processor is configured to based on described
The low resolution monostatic radar image of monostatic radar scanning element produces described first image.
13. the hand-held screening installation according to any one of claim 10 to 12, wherein, the memory cell is additionally operable to deposit
Store up the template for area-of-interest described in automatic identification and/or for triggering alarm automatically.
14. the hand-held screening installation according to any one of claim 10 to 12, further comprises：
Display, for showing described first image；And
Input block, for allowing to select the area-of-interest.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12008454.6 | 2012-12-19 | ||
| EP12008454 | 2012-12-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103885088A CN103885088A (en) | 2014-06-25 |
| CN103885088B true CN103885088B (en) | 2018-02-09 |
Family
ID=47559029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310625832.8A Expired - Fee Related CN103885088B (en) | 2012-12-19 | 2013-11-28 | For the method for operating hand-held screening installation and hand-held screening installation |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US9562969B2 (en) |
| CN (1) | CN103885088B (en) |
| DE (1) | DE102013016813B4 (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106537179B (en) * | 2014-06-30 | 2019-04-19 | 博迪戴特股份有限公司 | For determining the hand-held multisensor syste of the size of irregular object |
| EP3330735A1 (en) * | 2016-12-01 | 2018-06-06 | Arttu Luukanen | Security screening system and method |
| US20200371227A1 (en) * | 2017-12-29 | 2020-11-26 | First Responder Technologies Inc. | Body-mounted threat detection system and methods of using same |
| WO2019215454A1 (en) * | 2018-05-10 | 2019-11-14 | Radio Physics Solutions Limited | Improvements in or relating to threat classification |
| GB201807616D0 (en) * | 2018-05-10 | 2018-06-27 | Radio Physics Solutions Ltd | Improvements in or relating to threat classification |
| JP2020204513A (en) * | 2019-06-17 | 2020-12-24 | 株式会社東芝 | System and inspection method |
| WO2021011530A1 (en) | 2019-07-16 | 2021-01-21 | Bodidata, Inc. | Systems and methods for improved radar scanning coverage and efficiency |
| GB2593431B (en) * | 2020-01-25 | 2023-09-13 | Hussain Zahid | A portable scanning device |
| US20210405179A1 (en) * | 2020-06-25 | 2021-12-30 | Lassen Peak, Inc. | Systems and Methods for Noninvasive Detection of Impermissible Objects |
| JP2022144752A (en) * | 2021-03-19 | 2022-10-03 | 日本電気株式会社 | Model providing apparatus, model providing method, and program |
| JP2024041265A (en) * | 2022-09-14 | 2024-03-27 | 株式会社東芝 | Inspection system, inspection method, and program |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4984073A (en) * | 1954-12-24 | 1991-01-08 | Lemelson Jerome H | Methods and systems for scanning and inspecting images |
| US6417797B1 (en) | 1998-07-14 | 2002-07-09 | Cirrus Logic, Inc. | System for A multi-purpose portable imaging device and methods for using same |
| WO2005022194A2 (en) | 2003-08-13 | 2005-03-10 | Lettvin Jonathan D | Imaging system |
| CN1926444A (en) * | 2004-03-01 | 2007-03-07 | 皇家飞利浦电子股份有限公司 | All in one plan scan imaging for optimization of acquisition parameters |
| US8253619B2 (en) | 2005-02-15 | 2012-08-28 | Techtronic Power Tools Technology Limited | Electromagnetic scanning imager |
| IL176411A0 (en) | 2006-06-19 | 2007-07-04 | Ariel University Res And Dev C | Hand-held device and method for detecting concealed weapons and hidden objects |
| US7652614B2 (en) * | 2007-07-30 | 2010-01-26 | Colorado State University Research Foundation | Ground clutter mitigation using a parametric time domain method |
| JP2011518383A (en) | 2008-04-18 | 2011-06-23 | テレ アトラス ベスローテン フエンノートシャップ | Method for generating a selective compression mask using a collection of laser scanned points |
| CN202013428U (en) * | 2010-12-24 | 2011-10-19 | 北京遥感设备研究所 | Active millimeter wave near-field scanning imaging security inspection device |
| CN102253417B (en) * | 2011-04-23 | 2013-03-06 | 汕头市超声仪器研究所有限公司 | Security checking method based on handheld ultra low field magnetic resonance imaging (MRI) system |
| US8791851B2 (en) * | 2011-06-02 | 2014-07-29 | International Business Machines Corporation | Hybrid millimeter wave imaging system |
| CN102707322B (en) * | 2012-02-29 | 2014-11-12 | 北京无线电计量测试研究所 | Human body detection device based on millimeter wave imaging |
-
2013
- 2013-10-10 DE DE102013016813.9A patent/DE102013016813B4/en active Active
- 2013-10-18 US US14/057,093 patent/US9562969B2/en active Active
- 2013-11-28 CN CN201310625832.8A patent/CN103885088B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US9562969B2 (en) | 2017-02-07 |
| DE102013016813B4 (en) | 2023-09-07 |
| US20140168013A1 (en) | 2014-06-19 |
| DE102013016813A1 (en) | 2014-06-26 |
| CN103885088A (en) | 2014-06-25 |
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Granted publication date: 20180209 |